Home / 51,740.69-77,610.47-36,480.42

Finding the Fourth Proportional to 51,740.69, 77,610.47 and 36,480.42

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Solution

The fourth proportional to 51,740.69, 77,610.47 and 36,480.42 is: 54,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,740.69 : 77,610.47 = 36,480.42 : x
  2. Step 2: Convert to fraction form
    51,740.69/77,610.47 = 36,480.42/x
  3. Step 3: Cross multiply
    51,740.69x = 77,610.47 × 36,480.42
  4. Step 4: Simplify right side
    51,740.69x = 2,831,262,359.60
  5. Step 5: Solve for x
    x = 2,831,262,359.60/51,740.69
  6. Step 6: Final answer
    x = 54,720.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.